[Bug tree-optimization/98110] [11 Regression] dl-lookup.c in glibc is miscompiled by r11-5029

[fw at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98110

--- Comment #8 from Florian Weimer <fw at gcc dot gnu.org> ---
(In reply to Jakub Jelinek from comment #6)
> on the mov %fs:0x10,%rax perhaps %fs isn't initialized yet?

Yes, that's why the access is guarded by flags & DL_LOOKUP_GSCOPE_LOCK. During
initial relocation, _dl_lookup_symbol_x is called without this flag.